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Table 3 Effect of metal ions on esterase activity

From: Cloning and biochemical characterization of a novel lipolytic gene from activated sludge metagenome, and its gene product

Compounds

Concentration (mM)

Relative activity (%)

Control

0

100.0 ± 2.9

CoCl2

5

126.4 ± 2.1

K2SO4

5

103.2 ± 3.6

FeSO4

5

100.9 ± 2.6

CuCl2

5

7.8 ± 2.7

Ni(NO3)2

5

36.2 ± 4.3

EDTA

5

102.7 ± 3.2

FeCl3

5

10.9 ± 3.4

CaCl2

5

104.1 ± 3.7

ZnCl2

5

23.7 ± 1.8

MgCl2

5

79.7 ± 2.6

  1. Activity without metal ions was set as 100% (4,897 U/ml). All measurements were repeated three times.
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Microbial Cell Factories

ISSN: 1475-2859

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